in log request
<pre>
<% 
request.headers.keys.each do |key|
 puts key + ':' + request.headers[key]
 %>
<%= key %> : <%= request.headers[key] %>
<% end %> 
 </pre>
 
 <table>
  <%= @contacts.map { |c| "<tr><td>Name: #{c['name']}</td><td>Email: #{c['email']}</td></tr>" } %>
</table>